Tropidia polystachya (Sw.) Ames
Young Palm Orchid
Facts About
Accepted Synonyms: Chloidia vernalis, Polystachya membranacea
Tropidia polystachya, commonly known as the Young Palm Orchid, is distributed from the tip of Florida south through the West Indies, from Central America, Venezuela, and the Galapagos Islands. This plant produces 1-5 dark green pleated leaves and the young stems may be partially concealed by bladeless tubular sheaths. The inflorescence is densely flowered with greenish white partially open flowers arranged in a terminal panicle. The labellum is white with a bright yellow disc in the central portion. This orchid blooms in late September through October in deeply shaded, moist hardwood, limestone hammocks.
Tropidia polystachya is apparently secure based on its wide distribution in the New World tropics, however, it is extremely rare and endangered in Florida.
Ecosystem Type
Forests, woodlands
Characteristics
- Habitat:
- terrestrial
- Leaf arrangement:
- alternate
- Number of leaves on stem:
-
- two
- three
- four
- five
- Form of the labellum:
- the labellum is pouch-like
- Labellum outline:
- the labellum is lobed
- Main color of labellum:
- white
- Nectar spur:
- absent
- Inflorescence type:
- the inflorescence is a raceme
- Labellum characteristics:
-
- the labellum is lobed
- the labellum is saccate
- Labellum length:
- 4–6 mm
- Sepal length:
- 6–7 mm
- Plant height:
- 10–35 cm
-
Flowers
- Floral bract length:
- 4–10 mm
- Flower petal color:
- white
- Flower symmetry:
- the flower is zygomorphic
- Flowering date:
-
- September
- October
- Flowers per inflorescence:
- 10–60
- Form of the labellum:
- the labellum is pouch-like
- Hairs on inflorescence axis:
- the inflorescence stem is hairless
- Inflorescence type:
- the inflorescence is a raceme
- Inflorescence width:
- 30–65 mm
- Labellum characteristics:
-
- the labellum is lobed
- the labellum is saccate
- Labellum length:
- 4–6 mm
- Labellum outline:
- the labellum is lobed
- Labellum position:
- the flowers are resupinate
- Length of peduncle:
- 35–140 mm
- Lower petal strongly red-veined:
- no
- Main color of labellum:
- white
- Nectar spur:
- absent
- Number of stamens:
- 1
- Orientation of side petals:
- the lateral petals are ascending
- Self-pollinating flowers:
- there are no cleistogamous flowers
- Sepal length:
- 6–7 mm
- Sepals fused only to sepals:
- the sepals are separate from one another
- Spots on labellum:
- no
-
Fruits or seeds
- Fruit length:
- 10–14 mm
- Fruit width:
- 3–6 mm
- Seed capsule orientation:
- the capsule points upwards or outwards
-
Growth form
- Plant height:
- 10–35 cm
- Roots:
- the rhizomes are non-coralloid
- Underground organs:
- slender roots
- myco-heterotrophic or not:
- the plant is chlorophyllous
-
Leaves
- Bract relative length:
- the bract is shorter than the associated flower
- Features of leaves:
- the leaf is pleated along its length
- Leaf arrangement:
- alternate
- Leaf blade edges:
- the leaf edges are entire
- Leaf blade length:
- 50–150 mm
- Leaf blade shape:
- elliptic
- Leaf blade tip:
- the tip of the leaf blade is acuminate
- Leaf blade width:
- 20–50 mm
- Leaves during flowering:
- leaves are present during flowering
- Number of leaves on stem:
-
- two
- three
- four
- five
-
Place
- Ecosystem type:
-
- forests
- woodlands
- Habitat:
- terrestrial
- Location:
- Florida
-
Facts and Uses
- Mycorrhiza
- Monitoring
- Propagation
- Restoration
Native to North America
Yes
North American Conservation Status & Distribution
Conservation Status
Conservation and Wetland Status | |
---|---|
Global Rank | Apparently Secure |
US Status | N/A |
Canadian Status | N/A |
Conservation status for: Florida | |
---|---|
Global Rank | Apparently Secure |
US Status | N/A |
Florida Rank | Highly State Rare |
Florida Status | Endangered |
Canadian Status | N/A |
Wetland Status | N/A |